Struct Header 

pub struct Header<K: StaticName>(pub String, pub PhantomData<K>);

A named header’s value, required.

static_name!(XRequestId, "x-request-id");

let request = Arc::new(Request::builder().header("x-request-id", "abc").build());
let Header(id, ..) = Header::<XRequestId>::from_request(request).await.unwrap();
assert_eq!(id, "abc");

Tuple Fields

0: String

1: PhantomData<K>

Trait Implementations

impl<K: Clone + StaticName> Clone for Header<K>

fn clone(&self) -> Header<K>

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl<K: Debug + StaticName> Debug for Header<K>

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl<K: StaticName> FromRequest for Header<K>

fn from_request(request: Arc<Request>) -> BoxedFuture<Result<Self>>

Build Self from the request, or fail with the error the client should see (a 400 for a malformed body, a 422 for a failed contract).